CN210440079U - Hydraulic adjusting damping device for mine raw coal belt conveyor head - Google Patents
Hydraulic adjusting damping device for mine raw coal belt conveyor head Download PDFInfo
- Publication number
- CN210440079U CN210440079U CN201921574387.6U CN201921574387U CN210440079U CN 210440079 U CN210440079 U CN 210440079U CN 201921574387 U CN201921574387 U CN 201921574387U CN 210440079 U CN210440079 U CN 210440079U
- Authority
- CN
- China
- Prior art keywords
- pneumatic cylinder
- raw coal
- bottom plate
- damping device
- buffer board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000003245 coal Substances 0.000 title claims abstract description 60
- 238000013016 damping Methods 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000005728 strengthening Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 24
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Images
Landscapes
- Chutes (AREA)
Abstract
The utility model discloses a mine raw coal belt aircraft nose hydraulic pressure adjusting damping device, belong to coal mine equipment technical field, the output side of setting at belt aircraft nose, including the curb plate, the bottom plate, the crossbeam, the installation journal stirrup, pneumatic cylinder and buffer board, two curb plates are set up in the face-to-face symmetry, bottom plate and a plurality of crossbeam are connected between two curb plates, a plurality of installation journal stirrups set up the outer wall bottom at the curb plate, the pneumatic cylinder journal stirrup is passed through to the one end of pneumatic cylinder and is installed on the bottom plate top surface, the rear portion of buffer board is connected through the adapter to the other end of pneumatic cylinder, the buffer board is along guide structure reciprocating sliding on the bottom plate under the pneumatic cylinder drive, the forward position of bottom plate. The utility model provides a technical scheme can flow to the raw coal material that the output was thrown to the belt aircraft nose that changes and carry out the adjustment of corresponding buffering blanking point, plays better guard action to the shale shaker in low reaches.
Description
Technical Field
The utility model relates to a coal mine equipment technical field especially relates to a mine raw coal belt aircraft nose hydraulic pressure adjusting damping device.
Background
With the continuous development of social economy and science and technology, mine resources are still important pillars for the development of modern social economy and science and technology. However, in coal mining, as the raw coal material transported by the belt conveyor is too large and heavy, the screen plate of the vibrating screen at the downstream of the belt conveyor is very easy to break, and the service life of the vibrating screen is greatly lost. And because the underground environment of the coal mine is poor, the tools are few, and the sieve plate is very troublesome to replace, the workload is very large, and a large amount of manpower and material resources are wasted. And the whole coal mining production line needs to be stopped when the sieve plate is replaced, so that the normal production operation of the coal mine is seriously influenced.
At present, some coal mines adopt a buffer damping device to buffer a raw coal material flow ejected and output by a belt machine head, but because the parabola of the raw coal material of a belt machine has an error with the theory, the blanking point of the existing buffer damping device can not be adjusted according to the raw coal material flow, so that part of the raw coal material flow can be directly hit to a vibrating screen, the service life of the vibrating screen is shortened, the screening effect is poor, and the coal mine production is influenced.
Therefore, a new hydraulic adjusting and damping device for a mine raw coal belt head is needed to be developed for overcoming the defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mine raw coal belt aircraft nose hydraulic pressure adjusts damping device can throw the raw coal material stream of output to the belt aircraft nose that changes and carry out the adjustment of corresponding buffering blanking point, plays better guard action to the shale shaker in low reaches.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a mine raw coal belt aircraft nose hydraulic pressure adjusting damping device sets up belt aircraft nose's output side, including curb plate, bottom plate, crossbeam, installation journal stirrup, pneumatic cylinder and buffer board, two the curb plate sets up in the face-to-face symmetry, bottom plate and a plurality of the crossbeam is connected two between the curb plate, it is a plurality of the installation journal stirrup sets up the outer wall bottom of curb plate, the one end of pneumatic cylinder is passed through the pneumatic cylinder journal stirrup and is installed on the bottom plate top surface, the other end of pneumatic cylinder passes through the adapter and connects the rear portion of buffer board, the buffer board is in along guide structure under the pneumatic cylinder drive reciprocating sliding on the bottom plate, the buffer board front end is visited the forward edge of bottom plate.
Furthermore, the lower extreme is connected with the safe edge on the outer wall of curb plate, the lower surface of bottom plate is provided with a plurality of first strengthening ribs, the both ends of first strengthening rib are connected on the inner wall of curb plate.
Furthermore, the mounting support lug is made of H-shaped steel or I-shaped steel, and a second reinforcing rib is connected between the upper surface of the mounting support lug and the protective edge at the upper end of the mounting support lug; the cross beam specifically adopts angle steel or square tubes.
Further, the top of pneumatic cylinder is provided with the guard shield, the cross-section of guard shield is C shaped steel structure, bolted connection is passed through at the front end of guard shield the top of adapter, the guard shield covers the protection the pneumatic cylinder.
Furthermore, guide structure includes two spout strips, the cross-section of spout strip is the L type, two spout strip symmetry sets up the inner wall of curb plate with the crossing department of the upper surface of bottom plate, the breach of spout strip inwards sets up downwards, two sides of buffer board are in slide around in the breach of spout strip.
Further, the utility model discloses hydraulic pressure adjusting damping device specifically adopts two synchronous working the pneumatic cylinder, just the pneumatic cylinder with the articulated connected mode of round pin axle all is adopted in the connection of pneumatic cylinder journal stirrup and adapter.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a mine raw coal belt aircraft nose hydraulic pressure adjusts damping device, through pneumatic cylinder drive buffer board reciprocating sliding all around on the bottom plate, the buffer board is used for accepting the raw coal material stream that belt aircraft nose thrown the output, the raw coal material stream parabola drop that is convenient for adapt to the change, and then plays better guard action to the shale shaker in low reaches, has improved the life of shale shaker.
In addition, through the arrangement of the protective edge and the first reinforcing ribs, the rigidity and the strength of the side plate can be enhanced by the protective edge, so that the deformation of the side plate under the impact of the raw coal material flow is reduced; first strengthening rib can increase the structural strength of whole device, simultaneously very big promotion the hole impact capacity of bottom plate. Through the arrangement of the second reinforcing ribs, the rigidity and the strength of the side plates are increased conveniently, and the deformation of the side plates under the impact of the raw coal material flow is reduced; adopt rigidity and the better section bar of intensity through crossbeam and installation journal stirrup, both increased the utility model discloses mine raw coal belt aircraft nose hydraulic pressure adjusts damping device's bulk strength, and the manufacturing of also being convenient for has saved the cost. Through the setting of two chute strips of welded connection, the buffer board of being convenient for slides around the bottom plate to can prevent that the buffer board from taking place the danger of toppling under the impact of the raw coal piece under throwing. The hydraulic cylinders which work synchronously are arranged, so that the stability of the buffer plate sliding around the bottom plate is improved, and the situation of jamming in the left and right directions can be effectively prevented.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of a front sectional view of a hydraulic damping adjustment device of a mine raw coal belt machine head of the present invention;
FIG. 2 is a schematic left-side sectional view of the hydraulic damping device for a mine raw coal belt machine head of the present invention;
description of reference numerals: 1. a side plate; 101. protecting edges; 2. a base plate; 201. a first reinforcing rib; 3. a cross beam; 4. mounting a support lug; 401. a second reinforcing rib; 5. a hydraulic cylinder; 501. a hydraulic cylinder support lug; 502. an adapter; 503. a shield; 6. a buffer plate; 7. a chute strip.
Detailed Description
The core of the utility model is to provide a mine raw coal belt aircraft nose hydraulic pressure adjusting damping device can throw the raw coal material stream of output to the belt aircraft nose that changes and carry out the adjustment of corresponding buffering blanking point, plays better guard action to the shale shaker in low reaches.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Description of the drawings in the following detailed description, the upper, lower, left and right descriptions are for illustrative purposes only and should not be construed as limiting the invention.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, a hydraulic damping adjustment device for a mine raw coal belt conveyor head is installed at an output side of the belt conveyor head, and includes side plates 1, a bottom plate 2, a cross beam 3, an installation support lug 4, a hydraulic cylinder 5 and a buffer plate 6, wherein the two side plates 1 are symmetrically arranged in a face-to-face manner, and the bottom plate 2 and a plurality of cross beams 3 are connected between the two side plates 1 to form a frame structure; the mounting support lugs 4 are arranged at the bottom of the outer wall of the side plate 1, and the mounting support lugs 4 are used for mounting the device on an underground support; pneumatic cylinder 5's one end is passed through pneumatic cylinder journal stirrup 501 and is installed on bottom plate 2 top surface, and the other end of pneumatic cylinder 5 passes through adapter 502 and connects the rear portion of buffer board 6, and buffer board 6 is reciprocating sliding back and forth on bottom plate 2 along guide structure under the drive of pneumatic cylinder 5, and the front edge of bottom plate 2 is visited to the buffer board 6 front end, and buffer board 6 is used for accepting the belt aircraft nose throws the raw coal material stream of output.
The utility model discloses mine raw coal belt aircraft nose hydraulic pressure adjusts damping device, through 5 drive buffer board 6 reciprocating sliding all around on bottom plate 2 of pneumatic cylinder, buffer board 6 is used for accepting the raw coal material stream that the belt aircraft nose thrown the output, the raw coal material stream parabola drop that is convenient for adapt to the change, and then plays better guard action to the shale shaker in low reaches, has improved the life of shale shaker.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the upper and lower ends of the outer wall of the side plate 1 are welded to the protective edge 101, the lower surface of the bottom plate 2 is welded to a plurality of first reinforcing ribs 201, and both ends of the first reinforcing ribs 201 are welded to the inner wall of the side plate 1. Through the arrangement of the protective edge 101 and the first reinforcing ribs 201, the rigidity and the strength of the side plate 1 can be enhanced by the protective edge 101, so that the deformation of the side plate 1 under the impact of the raw coal material flow is reduced; first strengthening rib 201 can increase the structural strength of whole device, very big promotion bottom plate 2's the pit impact ability simultaneously.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the mounting lug 4 is made of H-shaped steel or i-shaped steel, which has high structural rigidity and strength, and a second reinforcing rib 401 is welded between the upper surface of the mounting lug 4 and the upper end protective edge 101; the cross beam 3 specifically adopts angle steel or a square tube. Through the arrangement of the second reinforcing ribs 401, the rigidity and the strength of the side plate 1 are increased, and the deformation of the side plate 1 under the impact of the raw coal material flow is reduced; installation journal stirrup 4 specifically adopts H shaped steel or I-steel, and crossbeam 3 specifically adopts angle steel or square pipe, adopts the better section bar of rigidity and intensity through crossbeam 3 and installation journal stirrup 4, has both increased the utility model discloses mine raw coal belt aircraft nose hydraulic pressure adjusts damping device's bulk strength, and the manufacturing of also being convenient for has saved the cost.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, a protective cover 503 is disposed on the top of the hydraulic cylinder 5, the cross section of the protective cover 503 is a C-shaped steel structure, the front end of the protective cover 503 is connected to the top of the adapter 502 by a bolt, and the protective cover 503 covers the protective hydraulic cylinder 5 and slides along with the extension and retraction of the hydraulic cylinder 5. Through the setting of guard shield 503, prevent that the raw coal piece under throwing from smashing pneumatic cylinder 5, improved the life of this device.
In a specific embodiment of the utility model, as shown in fig. 1 and fig. 2, guide structure includes two chute strips 7, and the cross section of chute strip 7 is the L type, and two chute strips 7 symmetry welded connection respectively are in the crossing right angle department of the inner wall of curb plate 1 and the upper surface of bottom plate 2, and the breach of chute strip 7 inwards sets up downwards, and two sides of buffer board 6 slide around in the breach of chute strip 7. Through the setting of two chute strips 7 of welded connection, the buffer board 6 of being convenient for slides around bottom plate 2 to can prevent that buffer board 6 from taking place the danger of toppling under the impact of the raw coal piece of throwing.
The utility model discloses an in a specific embodiment, as shown in FIG. 1 and FIG. 2, the utility model discloses hydraulic pressure adjusting damping device specifically adopts two synchronous working's pneumatic cylinder 5, and pneumatic cylinder 5 all adopts round pin axle articulated connected mode with being connected of pneumatic cylinder journal stirrup 501 and adapter 502. Through the setting of two hydraulic cylinder 5 of synchronous working, be favorable to increasing buffer board 6 gliding stability around bottom plate 2, can effectively prevent the jam condition of direction about taking place.
Mine raw coal belt aircraft nose hydraulic pressure adjusts damping device based on above-mentioned each embodiment, the utility model discloses an operating method utilizes the mine raw coal belt aircraft nose hydraulic pressure in the above-mentioned example to adjust damping device and throw the raw coal material stream of output to the belt feeder and carry out damping work. The key point is that the hydraulic cylinder 5 drives the buffer plate 6 to adjust back and forth, so as to accurately bear the drop point of the output raw coal material flow thrown by the belt conveyor and finish the damping work.
According to the hydraulic adjusting damping device for the mine raw coal belt machine head, the hydraulic cylinder 5 drives the buffer plate 6 to slide back and forth on the bottom plate 2 in a reciprocating mode, the buffer plate 6 is used for receiving the raw coal material flow ejected and output by the belt machine head, the change raw coal material flow parabola falling point can be conveniently adapted, the downstream vibrating screen can be better protected, and the service life of the vibrating screen is prolonged. In addition, through the arrangement of the protective edge 101 and the first reinforcing ribs 201, the rigidity and the strength of the side plate 1 can be enhanced by the protective edge 101, so that the deformation of the side plate 1 under the impact of the raw coal material flow is reduced; first strengthening rib 201 can increase the structural strength of whole device, very big promotion bottom plate 2's the pit impact ability simultaneously. Through the arrangement of the second reinforcing ribs 401, the rigidity and the strength of the side plate 1 are increased, and the deformation of the side plate 1 under the impact of the raw coal material flow is reduced; adopt rigidity and the better section bar of intensity through crossbeam 3 and installation journal stirrup 4, both increased the utility model discloses mine raw coal belt aircraft nose hydraulic pressure adjusting damping device's bulk strength, the manufacturing of also being convenient for has saved the cost. Through the setting of two chute strips 7 of welded connection, the buffer board 6 of being convenient for slides around bottom plate 2 to can prevent that buffer board 6 from taking place the danger of toppling under the impact of the raw coal piece of throwing. Through the setting of two hydraulic cylinder 5 of synchronous working, be favorable to increasing buffer board 6 gliding stability around bottom plate 2, can effectively prevent the jam condition of direction about taking place.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a mine raw coal belt aircraft nose hydraulic pressure adjusts damping device, sets up the output side of belt aircraft nose, its characterized in that: including curb plate (1), bottom plate (2), crossbeam (3), installation journal stirrup (4), pneumatic cylinder (5) and buffer board (6), two curb plate (1) sets up in the face of the symmetry, bottom plate (2) and a plurality of crossbeam (3) are connected two between curb plate (1), it is a plurality of installation journal stirrup (4) set up the outer wall bottom of curb plate (1), the one end of pneumatic cylinder (5) is passed through pneumatic cylinder journal stirrup (501) and is installed on bottom plate (2) top surface, the other end of pneumatic cylinder (5) passes through adapter (502) and connects the rear portion of buffer board (6), buffer board (6) are in under pneumatic cylinder (5) drive along guide structure reciprocating sliding on bottom plate (2) front-back, buffer board (6) front end is visited the leading edge of bottom plate (2).
2. The mine raw coal belt conveyor head hydraulic adjusting damping device as recited in claim 1, characterized in that: the lower extreme is connected with safe edge (101) on the outer wall of curb plate (1), the lower surface of bottom plate (2) is provided with a plurality of first strengthening ribs (201), the both ends of first strengthening rib (201) are connected on the inner wall of curb plate (1).
3. The mine raw coal belt head hydraulic adjusting damping device as claimed in claim 2, characterized in that: the mounting support lug (4) is made of H-shaped steel or I-shaped steel, and a second reinforcing rib (401) is connected between the upper surface of the mounting support lug (4) and the protective edge (101) at the upper end of the mounting support lug; the cross beam (3) is specifically made of angle steel or square tubes.
4. The mine raw coal belt conveyor head hydraulic adjusting damping device as recited in claim 1, characterized in that: the top of pneumatic cylinder (5) is provided with guard shield (503), the cross-section of guard shield (503) is C shaped steel structure, the front end of guard shield (503) passes through bolted connection the top of adapter (502), guard shield (503) cover the protection pneumatic cylinder (5).
5. The mine raw coal belt conveyor head hydraulic adjusting damping device as recited in claim 1, characterized in that: the guide structure comprises two chute strips (7), the cross section of each chute strip (7) is L-shaped, the two chute strips (7) are symmetrically arranged on the inner wall of the side plate (1) and the intersection of the upper surfaces of the bottom plates (2), the notch of each chute strip (7) is inwards and downwards arranged, and the two side edges of the buffer plate (6) slide back and forth in the notch of each chute strip (7).
6. The mine raw coal belt conveyor head hydraulic adjusting damping device as recited in claim 1, characterized in that: the hydraulic adjusting damping device specifically adopts two hydraulic cylinders (5) which work synchronously, and the hydraulic cylinders (5) are connected with hydraulic cylinder support lugs (501) and adapters (502) in a hinge connection mode through pin shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921574387.6U CN210440079U (en) | 2019-09-21 | 2019-09-21 | Hydraulic adjusting damping device for mine raw coal belt conveyor head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921574387.6U CN210440079U (en) | 2019-09-21 | 2019-09-21 | Hydraulic adjusting damping device for mine raw coal belt conveyor head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210440079U true CN210440079U (en) | 2020-05-01 |
Family
ID=70410897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921574387.6U Withdrawn - After Issue CN210440079U (en) | 2019-09-21 | 2019-09-21 | Hydraulic adjusting damping device for mine raw coal belt conveyor head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210440079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500131A (en) * | 2019-09-21 | 2019-11-26 | 河南海光兰骏矿山技术有限公司 | A kind of mine raw coal belt conveyer head hydraulic regulation damping unit and its working method |
| CN117073822A (en) * | 2023-10-17 | 2023-11-17 | 山西阳光三极科技股份有限公司 | Coal mine electromechanical operation vibration monitoring device |
-
2019
- 2019-09-21 CN CN201921574387.6U patent/CN210440079U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500131A (en) * | 2019-09-21 | 2019-11-26 | 河南海光兰骏矿山技术有限公司 | A kind of mine raw coal belt conveyer head hydraulic regulation damping unit and its working method |
| CN110500131B (en) * | 2019-09-21 | 2024-01-26 | 河南海光兰骏矿山技术有限公司 | Hydraulic adjusting damping device for mine raw coal belt head and working method thereof |
| CN117073822A (en) * | 2023-10-17 | 2023-11-17 | 山西阳光三极科技股份有限公司 | Coal mine electromechanical operation vibration monitoring device |
| CN117073822B (en) * | 2023-10-17 | 2023-12-15 | 山西阳光三极科技股份有限公司 | Coal mine electromechanical operation vibration monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210440079U (en) | Hydraulic adjusting damping device for mine raw coal belt conveyor head | |
| CN204250758U (en) | Vertical high drop material guide device | |
| AU2019341184B2 (en) | Large-tonnage coal falling buffering skip for mine | |
| CN110500131B (en) | Hydraulic adjusting damping device for mine raw coal belt head and working method thereof | |
| CN105971643A (en) | Underground protection and support device | |
| CN108190469A (en) | It is a kind of without abrasion reduction of speed dust suppression switching funnel | |
| CN209337571U (en) | The seperated adjustable unloading buffer device of bridge type scraping plate conveyer | |
| CN210105900U (en) | Colliery solid waste fills hydraulic support | |
| CN205990022U (en) | A kind of movable liner plate for discharge funnel | |
| CN110586460B (en) | Underground large raw coal screening device | |
| CN208103279U (en) | It is a kind of without abrasion reduction of speed dust suppression transfer funnel | |
| CN205132488U (en) | Drop guide funnel and adhesive tape transportation guide system | |
| CN206691833U (en) | Apron feeder ore discharge device | |
| CN206827459U (en) | A kind of chute with buffer unit | |
| CN221714899U (en) | Discharging buffer device of mining vibrating screen | |
| CN214651269U (en) | Split detachable coal plough plate with side-dumping machine head for mine conveyor | |
| CN204571308U (en) | A kind of Weight type concrete is slow falls chute structure | |
| CN215853707U (en) | Anti-impact and anti-overload device for adhesive tape machine | |
| CN205802365U (en) | A kind of decompression receiving hopper of belt conveyor | |
| CN212049059U (en) | Chute device for cold blast furnace slag crushing production line | |
| CN220539677U (en) | Machine head self-moving type coal flow control guiding safety protection device | |
| CN220601199U (en) | Safety protection device of gangue raking machine | |
| CN210738597U (en) | Tail beam waste rock blocking device of top coal caving hydraulic support | |
| CN105293042A (en) | Material guiding funnel and rubble belt conveying and material guiding system | |
| CN205366826U (en) | Feeder point chute |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200501 Effective date of abandoning: 20240126 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200501 Effective date of abandoning: 20240126 |